Year	% of total merchandise exports
1960	5.946011673151751
1961	6.118367867931753
1962	5.0418182677314185
1963	5.583566760037349
1964	4.018641249619447
1965	4.004658083716116
1966	3.185671315285753
1967	3.087432185267638
1968	3.256640160205717
1969	3.271251960480052
1970	3.0953301666892243
1971	2.897086693694004
1972	2.572092180210016
1973	1.9729545822286718
1974	0.982634397769948
1975	0.6086365372231324
1976	0.3789314412766008
1977	0.3906377864338087
1978	0.5081252778320499
1979	0.3562323274846477
1980	0.2580408088911459
1981	0.8581302618732152
1982	0.7343945558756935
1983	0.6178952726290058
1984	0.923560959748183
1985	0.9997148144336684
1986	1.5459102918253371
1987	1.6660629508645874
1988	1.9309422900344293
1989	2.090973097111933
1990	2.0296940868514692
1991	2.2553539816650567
1992	2.091622814890384
1993	2.187476140983529
1994	2.4833768759461528
1995	2.398704937699849
1996	1.8591203796774067
1997	1.6977546368557503
1998	2.024199949320178
1999	1.5868369387724206
2000	1.4863888642912328
2001	1.9522282556411439
2002	2.2290090015962836
2003	2.009423349457206
2004	2.196205716006983
2005	1.1869681118087096
2006	1.3039794020438762
2007	2.571827864617791
2008	3.4480035304349137
2009	4.747164681036645
2010	3.3544794465832903
2011	1.572687817610748
2012	1.4200996923537015
2013	1.4889714707374582
2014	1.401876377560043
2015	1.6059263916305195
2016	1.3503480939148194
2017	1.2528487850206893
2018	1.0785770589865904
2019	1.3846556265666914
2020	1.60354992735303